| 摘要 |
PROBLEM TO BE SOLVED: To provide a bellows type tent being usable as a garage, a storage shed, a greenhouse or the like and capable of preventing a membrane body from being caught under a wheel and being damaged and preventing a fixed pivotal shaft of an extending and contracting means from being deformed and damaged to extend and contract it smoothly. SOLUTION: This bellows type tent is composed of a portal frame body 2, the extending and contracting means 3, and the wheel 4, which is provided while being eccentric on an inner side from the center B of a support column 6. The extending and contracting means 3 is provided with an X-type link 17, the fixed pivotal shaft 18, a movable pivotal shaft 19, an annular body 20, and a guide rod 21. The fixed pivotal shaft 18 is provided with a bolt 23 provided by passing through the support column 6 and a nut 24 screwed in the bolt 23 to fix it on the support column 6. COPYRIGHT: (C)2010,JPO&INPIT
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